Separation and sequence of the 3′ termini of M double-stranded RNA from killer yeast

Dennis J. Thiele, Regina W. Wang, Michael J Leibowitz

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Four subspecies of M double-stranded RNA from a killer strain of Saccharomyces cerevisiae were isolated. Each subspecies was susceptible to heat cleavage, presumably at an internal 190 base pair A,U-rich region, generating two discrete fragments corresponding to each side of the A, U-rich region. Enzymatic and chemical RNA sequence analysis defined the 3′-terminal 175 bases for the larger fragment (M-1) and 231 bases for the smaller fragment (M-2). All four subspecies of M have identical size and 3′-terminal sequences. Potential translation initiation codons are present on the corresponding 5′ termini of both fragments, and a possible 18S ribosomal RHA binding site is also present on the 5′ terminus of M-1. Stem and loop structures for the 5′ and 3′ termini of M-1 may function as recognition sites for replication, transcription, and translation.

Original languageEnglish (US)
Pages (from-to)1661-1678
Number of pages18
JournalNucleic Acids Research
Issue number5
StatePublished - Mar 11 1982
Externally publishedYes

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Health, Toxicology and Mutagenesis
  • Toxicology
  • Genetics(clinical)
  • Genetics


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